Difference between revisions of "cpp/memory/new/bad alloc"
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Revision as of 16:57, 19 April 2012
Template:cpp/memory/new/bad alloc/sidebar Template:ddcl list begin <tr class="t-dsc-header">
<td>Defined in header
</td>
<new>
<td></td> <td></td> </tr> <tr class="t-dcl ">
<td class="t-dcl-nopad">class bad_alloc : public std::exception;
</td>
<td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> Template:ddcl list end
std::bad_alloc is the type of the object thrown as exceptions by the allocation functions to report failure to allocate storage.
Member functions
| constructs the bad_alloc object (public member function) | |
| replaces a bad_alloc object (public member function) | |
| returns explanatory string (public member function) |
Template:cpp/error/exception/exception/inherit
Example
Run this code
#include <iostream> #include <new> int main() { try { while (true) { new int[100000000ul]; } } catch (const std::bad_alloc& e) { std::cout << "Allocation failed: " << e.what() << '\n'; } }
Output:
Allocation failed: std::bad_alloc
